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Collegium antropologicum, Vol. 37 No. 2, 2013.

Original scientific paper

An in vitro Morphological Investigation of the Endodontic Spaces of Third Molars

Jozo Ćosić ; Private Dental Practice, Zagreb, Croatia
Nada Galić ; University of Zagreb, School of Dental Medicine, Department of Endodontics and Restorative Dentistry, Zagreb, Croatia
Marin Vodanović orcid id orcid.org/0000-0002-1935-8657 ; University of Zagreb, School of Dental Medicine, Department of Dental Anthropology, Zagreb, Croatia
Vera Njemirovskij ; University of Zagreb, School of Dental Medicine, Department of Dental Anthropology, Zagreb, Croatia
Sanja Šegović ; University of Zagreb, School of Dental Medicine, Department of Endodontics and Restorative Dentistry, Zagreb, Croatia
Božidar Pavelić ; University of Zagreb, School of Dental Medicine, Department of Endodontics and Restorative Dentistry, Zagreb, Croatia
Ivica Anić ; University of Zagreb, School of Dental Medicine, Department of Endodontics and Restorative Dentistry, Zagreb, Croatia

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Abstract

Aim of this paper was to investigate the particular anatomic features of the endodontic space of third molars in the general population of Croatia. A total of 106 fully developed third molars (56 maxillar and 50 mandibular) has been analyzed. The respective number of roots and of root canals, the structure of the roots, and the curvature and absolute length of the root-canals were analyzed. In most cases, upper third molars had three roots (83.9%), while most of the lower molars were single rooted (56.0%). Upper third molars had mostly three root canals (75.1%), lower third molars two (90.0%). In both jaws, most third molars had curved canals (60.7% in the upper and 84.0% in the lower jaw). 12.5% of upper third molars had lateral and accessory canals, whereas only 4.0% of the lower third molars were found to have them. The Student t-test showed statistically significant differences (p<0.05) in the length of the root-canals, mesiobuccal
and distobuccal canals being significantly shorter than palatinal canals. The same test showed that in the lower third molars the mesial root canals were significantly longer that the distal ones, although slightly. The results obtained are in compliance with similar results by other authors; however, they tend to show some specific population-related features.

Keywords

endodontics; endodontic space; morphology; third molar

Hrčak ID:

104479

URI

https://hrcak.srce.hr/104479

Publication date:

1.7.2013.

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